//导入mongoose
const mongoose = require('mongoose');
//创建文档的结构对象
//设置集合中文文档的属性以及属性值的属性
let UserSchema = new mongoose.Schema({
  //标题
  username: String,
  password: String,
});
//创建模型对象  对文档操作的封装对象
let UserModel = mongoose.model('users', UserSchema);
module.exports = UserModel;
